References
- Allison , A. J. and Kelly , R. W. 1978 . Synchronisation of oestrus and fertility in sheep treated with progestagen-impregnated intravaginal sponges and subcutaneous implants, and prostaglandins with or without Pregnant Mare's Serum . N.Z. J. agric. Res. , (submitted).
- Restall , B. J. 1964 . The growth and retrogression of the corpus luteum in the ewe . Aust. J. exp. Agric. Anim. Husb. , 4 : 274 – 274 .
- Tervit , H. R. , Allison , A. J. , Smith , J. F. , Harvey , T. M. and Havik , P.G. 1976 . Egg transfers in exotic sheep . Proc. N.Z. Soc. Anim. Prod. , 36 : 67 – 67 .